package com.aistar.helper.day02;

import java.util.Arrays;

/**
 * 本类用来演示
 **/
public class ArrayDemo {
    static int a = 100;


    public static void main(String[] args) {
        int b = 20;
        for (int i = 0; i < 10; i++) {
            int num = 10;
        }
        System.out.print("hello"+b*100);

}

}
